Comment on Introduction to AT ProtocolComments−acheron1yIn this house, we believe “AT protocol” refers to Hayes modem commands.ATDT2024561414−imoverclocked1yA slightly more modern usage for cell modems that still implement AT commands in 2025:AT+QSINR?AT+QRSRQAT+QRSRPAT+QNWINFO-- getting current status/band of a link−JdeBP1yI see the error of forgetting the long distance prefix and dialling some poor innocent to squeal tones in xyr ear during Zone Mail Hour is alive and well. (-:−Angostura1y+++ ATH0−imoverclocked1yThis brings back memories of hanging my 56k modem up with a specially crafted ping command :)
Comments
In this house, we believe “AT protocol” refers to Hayes modem commands.
ATDT2024561414
A slightly more modern usage for cell modems that still implement AT commands in 2025:
AT+QSINR?
AT+QRSRQ
AT+QRSRP
AT+QNWINFO
-- getting current status/band of a link
I see the error of forgetting the long distance prefix and dialling some poor innocent to squeal tones in xyr ear during Zone Mail Hour is alive and well. (-:
+++ ATH0
This brings back memories of hanging my 56k modem up with a specially crafted ping command :)